Future Directions: Toward Self-replication?

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Doreen Newman
5 years ago
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1 Future Directions: Toward Self-replication? Gradual approach to implementation start right now Self-constructing Self-assembling Self-Manufacturing Self-Replicating Low-fidelity additive construction Manufacture of limited parts Robotic self-assembly Additional additive manufacturing Imported vitamin parts Fully closed May never need to get here, just get close Keck Institute for Space Studies, 3D Additive Construction S P A C E A R C H I T E C T U R E A. Scott Howe, PhD 24 August 2015

2 Future Directions: Self-constructing Actuated robotic panel Gap for payloads Edge actuators connect power and data in a distributed system Deployed structure Folded structure (reconfigurable on demand) Payloads Transformable Robotic Infrastructure-Generating Object Network (TRIGON)

3 Future Directions: Self-constructing

4 Future Directions: Self-constructing Fully equation-based Parametric sizing Kinematics / inverse kinematics

5 Future Directions: Self-assembling Vitamin Parts: difficult-tomanufacture parts imported from Earth Panels with mechatronics in edges can carry payload in center Square and triangle panels can be reconfigured on demand into trusses, cylinders, domes, cubes, vaults, and platforms Panel payloads can include fold out mechanisms and instruments

6 Future Directions: Self-assembling Modular printable elements Thin inflatable pressure liner Water or in-situ shielding carried by hard panel Deployable wheels and other mechanical elements

7 Future Directions: Self-assembling

8 Future Directions: Self-assembling Printable structure elements fitted with actuators Reusable / reconfigurable robotic panels Highly modular, repurposable elements Open system can include vitamin parts

9 Future Directions: Self-manufacture Cassette Factories

Future Directions: Self-manufacture Material hopper

filtering, particulate control, and material handling

Entire batch plant / printer stows in stack TRIGON /

10 Future Directions: Self-manufacture Material hopper Cassette Factories with batch plant for grinding, filtering, particulate control, and material handling Flexible screw conveyor for material handling Printhead Entire batch plant / printer stows in stack TRIGON / ATHLETE 3D Additive Construction ATHLETE precision mobility system

Future Directions: Self-manufacture e-beam additive manufacturing build part up from seed fixture can manufacture some of its own parts 7 DOF Robotic print arm plus precision x-y positioning Robotic

11 Future Directions: Self-manufacture e-beam additive manufacturing build part up from seed fixture can manufacture some of its own parts 7 DOF Robotic print arm plus precision x-y positioning Robotic arm and print head can extend outside cube Feedstock wire Print head Manufactured part Part built up around seed fixture grasped by holder robotic arm Feedstock wire reels for multiple materials Manufacture Module Actuated robotic panel enclosure

recycled 7 DOF Robotic arm plus precision x-y positioning Robotic arm can reach outside cube enclosure Grinder / shredder

12 Future Directions: Self-manufacture recycle CTBs into plastic feedstock recycle frames into metal feedstock keep materials separable for easy recycle Empty feedstock wire reel Centrifuge Pressure rollers for wire extrusion Part to be recycled 7 DOF Robotic arm plus precision x-y positioning Robotic arm can reach outside cube enclosure Grinder / shredder / chipper compartment with springloaded part pressure plate Shavings vibration tube Recycle Module Actuated robotic panel enclosure

Future Directions: Self-manufacture Material handling Additive Manufacturing module It will be important to explore ways to produce standard design catalog: printable structure printable actuators

13 Future Directions: Self-manufacture Material handling Additive Manufacturing module It will be important to explore ways to produce standard design catalog: printable structure printable actuators printable sensors printable control/electronics printable batteries/power printable pressure throughput printable power/data throughput printable friction mitigation Vitamin part assembly Part assembly area Product: Actuated robotic panel (partially self-replicating) Linear Factory

bin Vitamin part assembly area Final assembly area

14 Future Directions: Self-manufacture Additive Manufacturing module Feedstock bin Vitamin part bin Vitamin part assembly area Final assembly area Product: Actuated robotic panel (partially selfreplicating)

15 Future Directions: Self-replication May never need to get here, just get close Aim for fully closed

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